Deal Brief
LIS to IAD is currently available as a one-way redemption for 40,000 points plus $63.83 in taxes. This option prices in Economy through United MileagePlus, with strong seat availability.
Route: Lisbon to Washington, DC in Economy from 40,000 Points
Route code: LIS -> IAD
Program: United MileagePlus
Airline: United Airlines
Travel window: Multiple
Available dates:
June 2026 (6) cash price unavailable
- JUN-16
- JUN-17
- JUN-18
- JUN-20
- JUN-24
- JUN-25
July 2026 (3) cash price unavailable
- JUL-8
- JUL-16
- JUL-22
August 2026 (4) cash price unavailable
- AUG-13
- AUG-26
- AUG-28
- AUG-29
September 2026 (12) cash price unavailable
- SEP-1
- SEP-2
- SEP-3
- SEP-4
- SEP-5
- SEP-9
- SEP-10
- SEP-11
- SEP-15
- SEP-16
- SEP-17
- SEP-18
October 2026 (8) cash price unavailable
- OCT-15
- OCT-22
- OCT-23
- OCT-26
- OCT-28
- OCT-29
- OCT-30
- OCT-31
November 2026 (21) cash price unavailable
- NOV-2
- NOV-3
- NOV-4
- NOV-5
- NOV-6
- NOV-10
- NOV-11
- NOV-12
- NOV-13
- NOV-14
- NOV-16
- NOV-17
- NOV-18
- NOV-19
- NOV-20
- NOV-21
- NOV-23
- NOV-24
- NOV-25
- NOV-26
- NOV-27
December 2026 (20) cash price unavailable
- DEC-1
- DEC-2
- DEC-3
- DEC-4
- DEC-5
- DEC-7
- DEC-8
- DEC-9
- DEC-10
- DEC-11
- DEC-12
- DEC-14
- DEC-15
- DEC-16
- DEC-17
- DEC-21
- DEC-23
- DEC-24
- DEC-25
- DEC-26
January 2027 (4) cash price unavailable
- JAN-7
- JAN-8
- JAN-9
- JAN-15
February 2027 (3) cash price unavailable
- FEB-1
- FEB-5
- FEB-9
Cash fares are approximate round-trip prices via Travelpayouts. Point value = (cash fare − taxes) ÷ points. United MileagePlus baseline: 1.4¢/pt.
Additional Deal Information
Data Last Refreshed
Quality Score Breakdown · 49/100
Absolute Cost
12 / 50
Seat Availability
10 / 10
Cabin Tier
0 / 10
Freshness
1 / 1
Destination Tier
0 / 8
Tax Efficiency 11% cash
16 / 18
Airline Product
0 / 7